Home / Milling / Mill Tooling / Boring Head, Straight Shank, 2-1/4″ Diameter, Lincoln Machine Specialty View cart “Boring Head, R-8, Bridgeport, Diameter 3″, 5/8″ Bars Item # L61043A” has been added to your cart. Boring Head, Straight Shank, 2-1/4″ Diameter, Lincoln Machine Specialty$49.00 1 in stock Add to cart Category: Mill Tooling Description Description Lincoln Machine Specialty, 2-1/4″ Boring Head, 1/2″ Boring Boring Bars Related products Quick Change Set,R-8, Enco Item # L5708 $295.00 Add to cart Boring Head, Straight Shank 1″, Takes Y Collets, Universal $49.00 Add to cart Boring Head, R-8, Diameter 4″, 1″ Boring Bars, Critereion L624R8 $349.00 Add to cart Boring Head, Staight Shank 1″, Diameter 1-3/4″, Erickson Tenthset (C) $49.00 Add to cart